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Operation Manual / 4 Product description / A150-M56/66/57/67 -

A155-M..

6 Periodic maintenance work / 6.5 Changing the absorption element

Installing the absorption element

Fig.30: Installing the absorption element

Product 81152 [Nm] 81154 [Nm]

A155-M 50 10

Table16: Tightening torque (81152 / 81154)

1. Fit the new absorption element(81148) and flanges(81145 / 81146) with roll pins(81151)

and socket screws(81154).

Tighten socket screws(81154) crosswise. Observe the tightening torque.

2. Check value X = 15 mm +/- 0.1 mm along the circumference at four points (0°, 90°, 180°

and 270°).

If value X is not satisfied, unscrew the socket screws(81154) and repeat step one.

3. Fit the mounting plate(81149) with washers(81153) and hexagon-head screws(81152).

Observe the tightening torque.

4. Remove the filter silencer (see Fig.76: Installing the uncoupled filter silencer (see

Table53: Tightening torque (72054) →111).

Page 58 / 171

ABB HT610930 Instruction Manual

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